“Anything you want to achieve, you need to put a lot of effort in it and that is what we are going to do.

“Learning from a bad result will make the team grow and move forward in this new stage.”

Mata was part of the United squad that won all five games during their tour of the United States this summer.

They beat Roma, Inter Milan, Real Madrid and Liverpool on their way to lifting the International Champions Cup.

And the 26-year-old says the players should shoulder the responsibility for the defeat to Swansea because they didn’t carry the work they’ve done with Van Gaal over the summer into the first competitive game of the season.